// Copyright (c) 2007-2008 Simon Fell
//
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
// THE SOFTWARE.
//

#import "Folder.h"
#import "SalesforceFileSystem.h"
#import "Preferences.h"

@implementation FileSystemItem

@synthesize name, sfdcId, systemModstamp, createdDate, attributes;

- (id)initWithName:(NSString *)n id:(NSString *)id modstamp:(NSDate *)ms created:(NSDate *)c  {
	self = [super init];
	name = [n copy];
	sfdcId = [id copy];
	systemModstamp = [ms copy];
	createdDate = [c copy];
	attributes = nil;
	return self;
}

- (void)dealloc {
	[name release];
	[sfdcId release];
	[systemModstamp release];
	[createdDate release];
	[attributes release];
	[super dealloc];
}

@end

@implementation File

+(NSString *)makeName:(NSString *)n type:(NSString *)t {
	if ([t length] == 0) return n;	// no type
	if ([n hasSuffix:t]) return n;	// name already ends with the type
	return [NSString stringWithFormat:@"%@.%@", n, t];	// glue the 2 together
}

- (id)initWithName:(NSString *)n type:(NSString *)type id:(NSString *)id modstamp:(NSDate *)ms created:(NSDate *)c length:(long)len {
	self = [super initWithName:[File makeName:n type:type] id:id modstamp:ms created:c];
	NSMutableDictionary *atts = [NSMutableDictionary dictionary];
	[atts setObject:NSFileTypeRegular forKey:NSFileType];
	[atts setObject:[NSNumber numberWithInt:0500] forKey:NSFilePosixPermissions];
	[atts setObject:systemModstamp forKey:NSFileModificationDate];
	[atts setObject:createdDate forKey:NSFileCreationDate];
	[atts setObject:[NSNumber numberWithLongLong:len] forKey:NSFileSize];
	attributes = [atts retain];
	return self;
}

@end 

@implementation Folder

- (id)initWithName:(NSString *)nm id:(NSString *)id modstamp:(NSDate *)ms created:(NSDate *)created filesystem:(SalesforceFileSystem *)sffs {
	self = [super initWithName:nm id:id modstamp:ms created:created];
	NSMutableDictionary *atts = [NSMutableDictionary dictionary];
	[atts setObject:NSFileTypeDirectory forKey:NSFileType];
	[atts setObject:[NSNumber numberWithInt:0700] forKey:NSFilePosixPermissions];
	[atts setObject:systemModstamp forKey:NSFileModificationDate];
	[atts setObject:createdDate forKey:NSFileCreationDate];
	attributes = [atts retain];
	fs = [sffs retain];
	return self;
}

- (void)dealloc {
	[files release];
	[fs release];
	[super dealloc];
}

- (void)clearCache {
	@synchronized(self) {
		[files release];
		files = nil;
	}
}

- (NSDictionary *)files {
	@synchronized(self) {
		if ((files == nil) || ([NSDate timeIntervalSinceReferenceDate] > filesExpiry)) {
			[files release];
			files = [[fs filesForFolder:sfdcId] retain];
			NSTimeInterval secondsTilExpiry = 60.0 * [[NSUserDefaults standardUserDefaults] integerForKey:P_DIR_CACHE_TIME];
			filesExpiry = [[NSDate dateWithTimeIntervalSinceNow:secondsTilExpiry] timeIntervalSinceReferenceDate];
		}
		return files;
	}
	return 0;
}

- (FileSystemItem *)fileWithName:(NSString *)docName {
	NSDictionary *contents = [self files];
	return [contents objectForKey:docName];
}

- (NSArray *)filenames {
	return [[self files] allKeys];
}

@end